TCP_Server (FB)¶

FUNCTION_BLOCK PUBLIC FINAL TCP_Server EXTENDS LConC IMPLEMENTS IServer, IServer_Internal

Sets up a server over the ip and port specified in itfIPAddress and uiPort. A server can handle several connections. The output itfServer of these function block can be used to establish a connection via TCP_Connection.

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	`xEnable`	`BOOL`		`TRUE`: Activates the defined operation `FALSE`: Aborts/resets the defined operation	LConC
Output	`xBusy`	`BOOL`		`TRUE`: Operation is running	LConC
	`xError`	`BOOL`		`TRUE`: Error condition reached	LConC
	`eErrorID`	ERROR			LConC
Input Const	`udiMaxConnections`	`UDINT`	5	Maximum number of connections queued in TCP Stack
	`itfAsyncProperty`	IAsyncProperty
	`itfTLSContext`	ITLSContext
	`itfTSNContext`	ITSNContext
Input	`itfIPAddress`	IIPAddress
Input	`uiPort`	`UINT`
Output	`xActive`	`BOOL`
Output	`itfServer`	IServer

Methods:

SetInitialValue

Structure:

SetInitialValue (Method)